/**/
#include<stdio.h>
void main()
{
  char c1='a';
  char c2='B';
  char A=c1-32;
  char b=c2+32;
  printf("%c\t%d\n %c\t%d\n",A,A,c1,c1);
  
   printf("%c\t%d\n %c\t%d\n",b,b,c2,c2);
  


}
